Formation evolution and characterization of nanoporous structures on the Ti6Al4V surface induced by nanosecond pulse laser irradiation

doi:10.1016/j.matdes.2022.111243

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	Formation evolution and characterization of nanoporous structures on the Ti6Al4V surface induced by nanosecond pulse laser irradiation
	C. Wang; H. Huang; Z. Y. Zhang; L. Zhang; J. W. Yan and L. Q. Ren
	2022
Source Publication	Materials & Design
ISSN	0264-1275
Volume	223 Pages:13
Abstract	Manipulating materials at nanoscale is challenging but rewarding. Nanostructures exhibit some unique properties distinguished from macroscopic bulk materials, so fabrication of nanostructures on the mate-rial surface is beneficial to broaden their functional applications. In this study, by nanosecond pulse laser irradiation in nitrogen atmosphere, it was found that unique nanoporous structures could be formed on the Ti6Al4V surface. The effects of laser parameters including the laser power, overlap rate, scanning speed, and repetition frequency on the formation and evolution of the nanoporous structures were sys-tematically investigated. By changing the laser parameters, the nanoporous structures with various porosities could be easily achieved on the Ti6Al4V surface. According to the structural evolution and chemical composition, the formation mechanism of the nanoporous structures was discussed. Furthermore, by characterizing the micro-mechanical properties and wettability, it was found that the surface with nanoporous structures exhibited similar surface hardness but improved tribological perfor-mances compared to the original Ti6Al4V surface, and the surface wettability could be tuned. This study provides a simple method for fabricating nanoporous structures on the Ti6Al4V surface, which would broaden its functional applications.(c) 2022 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
DOI	10.1016/j.matdes.2022.111243
URL	查看原文
Indexed By	sci ; ei
Language	英语
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Document Type	期刊论文
Identifier	http://ir.ciomp.ac.cn/handle/181722/67297
Collection	中国科学院长春光学精密机械与物理研究所
Recommended Citation GB/T 7714	C. Wang,H. Huang,Z. Y. Zhang,et al. Formation evolution and characterization of nanoporous structures on the Ti6Al4V surface induced by nanosecond pulse laser irradiation[J]. Materials & Design,2022,223:13.
APA	C. Wang,H. Huang,Z. Y. Zhang,L. Zhang,&J. W. Yan and L. Q. Ren.(2022).Formation evolution and characterization of nanoporous structures on the Ti6Al4V surface induced by nanosecond pulse laser irradiation.Materials & Design,223,13.
MLA	C. Wang,et al."Formation evolution and characterization of nanoporous structures on the Ti6Al4V surface induced by nanosecond pulse laser irradiation".Materials & Design 223(2022):13.

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中国科学院长春光学精密机械与物理研究所